Display screen or portion thereof with graphical user interface



The sole FIGURE is a front view of a display screen or portion thereof with graphical user interface showing the new design.

The outermost broken line showing an electronic device illustrate environmental subject matter, whereas the broken lines showing a display screen illustrates portions of the article. No subject matter depicted in broken lines form part of the claimed design. 

CLAIM What is claimed is the ornamental design for a display screen or portion thereof with icon, as shown and described. 